Below is a list of Finleyville PA zip codes. For your research we have also included Finleyville Area Code, Time Zone, UTC and the local Washington County FIPS Code. Each Finleyville Pennsylvania zip code has a center Longitude / Latitude point (the Finleyville center is -80.002998352051 / 40.252700805664). For your convenience we have also indicated if that zip code in Finleyville observes Daylight Savings time.